Eureka climate

Eureka Weather in July

NOAA 1991-2020 normals for Eureka, 0.4 km from Eureka

Average highs run from 80°F on July 1 to 83°F on July 31, and lows from 56°F to 58°F. Normal precipitation for the month is 3.10 in over about 9 wet days.

July day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Eureka, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
82°F
Average low
58°F
Precipitation
3.10 in
Record high
116°FJul 15, 2006
Record low
44°FJul 17, 2025
Chance of a freeze
0%
Days of 90°F or more
6.0
Daylight
15 h 39 min to 14 h 47 min
Cloud cover
49%
Humidity
61%
Dew point
56°F
Wind
9.8 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Jul 180°F56°F96°F 200347°F 200532%0%
Jul 280°F57°F98°F 200345°F 201431%0%
Jul 380°F57°F104°F 202147°F 200831%0%
Jul 481°F57°F101°F 201752°F 200531%0%
Jul 581°F57°F105°F 201748°F 202331%0%
Jul 681°F57°F97°F 200248°F 199930%0%
Jul 781°F57°F108°F 200750°F 200330%0%
Jul 881°F57°F99°F 200650°F 202330%0%
Jul 982°F58°F106°F 201749°F 200829%0%
Jul 1082°F58°F100°F 200550°F 199929%0%
Jul 1182°F58°F101°F 201746°F 200729%0%
Jul 1282°F58°F102°F 200650°F 202529%0%
Jul 1382°F58°F100°F 202646°F 200828%0%
Jul 1482°F58°F104°F 200650°F 201428%0%
Jul 1582°F58°F116°F 200648°F 201428%0%
Jul 1682°F58°F113°F 200648°F 200928%0%
Jul 1783°F58°F101°F 201744°F 202528%0%
Jul 1883°F58°F101°F 199849°F 200928%0%
Jul 1983°F58°F103°F 200553°F 201527%0%
Jul 2083°F58°F105°F 201650°F 200027%0%
Jul 2183°F58°F105°F 200750°F 200927%0%
Jul 2283°F58°F105°F 200748°F 200927%0%
Jul 2383°F58°F107°F 200749°F 199827%0%
Jul 2483°F58°F101°F 200747°F 200427%0%
Jul 2583°F58°F105°F 200751°F 200427%0%
Jul 2683°F58°F103°F 202651°F 201826%0%
Jul 2783°F58°F101°F 202148°F 201326%0%
Jul 2883°F58°F111°F 200647°F 201326%0%
Jul 2983°F58°F106°F 199944°F 200426%0%
Jul 3083°F58°F112°F 200649°F 200426%0%
Jul 3183°F58°F99°F 200751°F 200926%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Eureka, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

July 1
sunrise 5:53 AM, sunset 9:32 PM
July 31
sunrise 6:21 AM, sunset 9:08 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00392797 (Eureka), public domain. Records: NOAA GHCN-Daily, station USW00094052, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.